sessor — Lewis & Short
sessor, ōris, m.sedeo,
I one who sits in a place, a sitter (not ante-Aug. and very rare).
I In gen., a sitter in the theatre, Hor. Ep. 2, 2, 130.—
2 A sitter upon a horse, a horseman, rider, Sen. Const. 12 fin.; Suet. Caes. 61; Veg. 2, 28, 34.—*
II In partic., one who tarries or dwells in a place, an inhabitant, resident:
sessores veteres urbis,Nep. Cim. 2, 5.