regent
re.gent \'re--j*nt\ n [ME, fr. MF or ML; MF, fr. ML regent-, regens, fr. L, prp. of re]gere to rule - more at RIGHT archaic 1a: a ruling authority or principle 1b: one who rules or reigns : GOVERNOR 2: one who governs a kingdom in the minority, absence, or disability of the sovereign 3: a member of a governing board (as of a state university) - regent aj