a slave (literally or figuratively involuntarily or voluntarily; frequently therefore in a qualified sense of subjection or subserviency)

1. a slave, bondman, man of servile condition

a. a slave

b. metaph., one who gives himself up to another's will those whose service is used by Christ in extending and advancing his cause among men

c. devoted to another to the disregard of one's own interests

2. a servant, attendant