elector
n.
"one who elects or has the right of choice," mid-15c., from Latin elector "chooser, selecter," agent noun from past participle stem of eligere "to pick out, choose" (see election).
〔蒋〕[lect=choose，gather选，收(lect也作leg，lig)，-or表示人] 选举者，有选举权的人