ambassador, hinge, messenger, pain, pang, sorrow

Boyd’s Bible Dictionary:

(servant). A person chosen by one government to represent it at the seat of another. Earliest mention (Num. 20:1414And Moses sent messengers from Kadesh unto the king of Edom, Thus saith thy brother Israel, Thou knowest all the travail that hath befallen us: (Numbers 20:14); Josh. 9:44They did work wilily, and went and made as if they had been ambassadors, and took old sacks upon their asses, and wine bottles, old, and rent, and bound up; (Joshua 9:4); Judg. 11:17-1917Then Israel sent messengers unto the king of Edom, saying, Let me, I pray thee, pass through thy land: but the king of Edom would not hearken thereto. And in like manner they sent unto the king of Moab: but he would not consent: and Israel abode in Kadesh. 18Then they went along through the wilderness, and compassed the land of Edom, and the land of Moab, and came by the east side of the land of Moab, and pitched on the other side of Arnon, but came not within the border of Moab: for Arnon was the border of Moab. 19And Israel sent messengers unto Sihon king of the Amorites, the king of Heshbon; and Israel said unto him, Let us pass, we pray thee, through thy land into my place. (Judges 11:17‑19)). Injury to them an insult to their king (2 Sam. 10:3-63And the princes of the children of Ammon said unto Hanun their lord, Thinkest thou that David doth honor thy father, that he hath sent comforters unto thee? hath not David rather sent his servants unto thee, to search the city, and to spy it out, and to overthrow it? 4Wherefore Hanun took David's servants, and shaved off the one half of their beards, and cut off their garments in the middle, even to their buttocks, and sent them away. 5When they told it unto David, he sent to meet them, because the men were greatly ashamed: and the king said, Tarry at Jericho until your beards be grown, and then return. 6And when the children of Ammon saw that they stank before David, the children of Ammon sent and hired the Syrians of Beth-rehob, and the Syrians of Zoba, twenty thousand footmen, and of king Maacah a thousand men, and of Ish-tob twelve thousand men. (2 Samuel 10:3‑6)). The term includes both messenger and message (Luke 14:3232Or else, while the other is yet a great way off, he sendeth an ambassage, and desireth conditions of peace. (Luke 14:32)). Ministers called ambassadors of Christ (2 Cor. 5:2020Now then we are ambassadors for Christ, as though God did beseech you by us: we pray you in Christ's stead, be ye reconciled to God. (2 Corinthians 5:20)).

Concise Bible Dictionary:

There are three Hebrew words thus translated, signifying “an interpreter,” “a messenger.” They were not, as in modern times, residents in foreign lands, but were officers sent from one sovereign to another with any message of importance, or to negotiate matters of mutual interest. The men from Gibeon pretended to be ambassadors come from a distance to make an alliance with Israel (Josh. 9:44They did work wilily, and went and made as if they had been ambassadors, and took old sacks upon their asses, and wine bottles, old, and rent, and bound up; (Joshua 9:4)). Ambassadors came from Babylon to visit Hezekiah (2 Chron. 32:3131Howbeit in the business of the ambassadors of the princes of Babylon, who sent unto him to inquire of the wonder that was done in the land, God left him, to try him, that he might know all that was in his heart. (2 Chronicles 32:31)); and from the king of Egypt to Josiah (2 Chron. 35:2121But he sent ambassadors to him, saying, What have I to do with thee, thou king of Judah? I come not against thee this day, but against the house wherewith I have war: for God commanded me to make haste: forbear thee from meddling with God, who is with me, that he destroy thee not. (2 Chronicles 35:21)). Such persons represented the kings who sent them, and, whatever the message, were usually treated with due respect. David severely resented the insult offered to the messengers sent by him in kindness to Hanun, king of the children of Ammon (2 Sam. 10:1-141And it came to pass after this, that the king of the children of Ammon died, and Hanun his son reigned in his stead. 2Then said David, I will show kindness unto Hanun the son of Nahash, as his father showed kindness unto me. And David sent to comfort him by the hand of his servants for his father. And David's servants came into the land of the children of Ammon. 3And the princes of the children of Ammon said unto Hanun their lord, Thinkest thou that David doth honor thy father, that he hath sent comforters unto thee? hath not David rather sent his servants unto thee, to search the city, and to spy it out, and to overthrow it? 4Wherefore Hanun took David's servants, and shaved off the one half of their beards, and cut off their garments in the middle, even to their buttocks, and sent them away. 5When they told it unto David, he sent to meet them, because the men were greatly ashamed: and the king said, Tarry at Jericho until your beards be grown, and then return. 6And when the children of Ammon saw that they stank before David, the children of Ammon sent and hired the Syrians of Beth-rehob, and the Syrians of Zoba, twenty thousand footmen, and of king Maacah a thousand men, and of Ish-tob twelve thousand men. 7And when David heard of it, he sent Joab, and all the host of the mighty men. 8And the children of Ammon came out, and put the battle in array at the entering in of the gate: and the Syrians of Zoba, and of Rehob, and Ish-tob, and Maacah, were by themselves in the field. 9When Joab saw that the front of the battle was against him before and behind, he chose of all the choice men of Israel, and put them in array against the Syrians: 10And the rest of the people he delivered into the hand of Abishai his brother, that he might put them in array against the children of Ammon. 11And he said, If the Syrians be too strong for me, then thou shalt help me: but if the children of Ammon be too strong for thee, then I will come and help thee. 12Be of good courage, and let us play the men for our people, and for the cities of our God: and the Lord do that which seemeth him good. 13And Joab drew nigh, and the people that were with him, unto the battle against the Syrians: and they fled before him. 14And when the children of Ammon saw that the Syrians were fled, then fled they also before Abishai, and entered into the city. So Joab returned from the children of Ammon, and came to Jerusalem. (2 Samuel 10:1‑14)). In 2 Samuel 9 the kindness of God was accepted; here kindness was rejected. In the New Testament the apostles were ambassadors for Christ to a guilty world, to beseech their hearers to be reconciled to God (2 Cor. 5:2020Now then we are ambassadors for Christ, as though God did beseech you by us: we pray you in Christ's stead, be ye reconciled to God. (2 Corinthians 5:20) and Eph. 6:2020For which I am an ambassador in bonds: that therein I may speak boldly, as I ought to speak. (Ephesians 6:20)); and judgment will fall on those who obey not the gospel (2 Thess. 1:88In flaming fire taking vengeance on them that know not God, and that obey not the gospel of our Lord Jesus Christ: (2 Thessalonians 1:8); 1 Peter 4:1717For the time is come that judgment must begin at the house of God: and if it first begin at us, what shall the end be of them that obey not the gospel of God? (1 Peter 4:17)).
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Strong’s Dictionary of Hebrew Words:

Transliteration:
tsiyr
Phonic:
tseer
Meaning:
from 6696; a hinge (as pressed in turning); also a throe (as a phys. or mental pressure); also a herald or errand-doer (as constrained by the principal)
KJV Usage:
ambassador, hinge, messenger, pain, pang, sorrow. Compare 6736