Chief: G2233
ἡγέομαι
hēgeomai
hayg-eh’-om-ahee
Middle voice of a (presumed) strengthened form of G71; to lead, that is, command (with official authority); figuratively to deem, that is, consider: – account, (be) chief, count, esteem, governor, judge, have the rule over, suppose, think.
Jamie Thompson 