Fugitive
WordNet
adjective
(1) Lasting for a markedly brief time
"A fleeting glance"
"Fugitive hours"
"Rapid momentaneous association of things that meet and pass"
"A momentary glimpse"
noun
(2) Someone who is sought by law officers; someone trying to elude justice
(3) Someone who flees from an uncongenial situation
"Fugitives from the sweatshops"