advancer

(noun) someone who advances.

(adj) being ahead of time or need. Synonyms: advance(prenominal), beforehand(predicate). Examples: "Gave advance warning." "Was beforehand with her report."

(adj) situated ahead or going before. Synonyms: advance(prenominal), advanced(prenominal), in advance(predicate). Examples: "An advance party." "At that time the most advanced outpost was still east of the rockies."