ho (Greek #3588)
the definite article; the (sometimes to be supplied, at others omitted, in English idiom)
KJV usage: the, this, that, one, he, she, it, etc.
Pronounce: ho
Origin: ἡ (hay), and the neuter τό (to) in all their inflections
proistemi (Greek #4291)
to stand before, i.e. (in rank) to preside, or (by implication) to practise
KJV usage: maintain, be over, rule.
Pronounce: pro-is'-tay-mee
Origin: from 4253 and 2476