When you discard this from play, you may exchange it for a Disciple.
(This is not in the Supply.)
Fugitive is an Action-Traveller card from Adventures. It is a non-terminalsifter that maintains handsize. It is not in the Supply, but can be exchanged(exchange) for from a Soldier. Fugitive itself, once discarded from play, can be exchanged for a Disciple. There are only 5 copies of Fugitive in the Fugitive pile.