Mnason in Easton's Bible Dictionary
reminding, or remembrancer, a Christian of Jerusalem with
Paul lodged (Acts 21:16). He was apparently a native
like Barnabas (11:19, 20), and was well known to the
of Caesarea (4:36). He was an "old disciple" (R.V.,
disciple"), i.e., he had become a Christian in the
the formation of the Church in Jerusalem.