noun

1. A person who flees or escapes and travels secretly from place to place, and sometimes using disguises and aliases to conceal his/her identity, as to avoid law authorities in order to avoid an arrest or prosecution; or to avoid some other unwanted situation.

Synonyms: abscotchalater, nomad, runaway, wanderer

adjective

1. Fleeing or running away

2. Transient, fleeting or ephemeral

3. Elusive or difficult to retain