ex-convict russian

• отсиде́вший

  having served time, ex-convict (adjectival), released from prison

• посиде́вший

  grey-haired, hoary

  who has served time, who has done time, ex-convict

• отсиде́вшийся

  having waited out, having sat out (in hiding), having lain low, having bided one's time

  having served a sentence, having done time, ex-convict