пленник,пленныйcaptivus [i, m];
кожевникcoriarius[ii, m];
союзныйsocialis [e];socius
probus [a, um] ; probatus [a, um] ; vetus [e]ris (imperator); expertus [a, um] ; experimento probatus [a, um] / exploratus [a, um] ; experientia cognitus [a, um] ;