stray

Move about aimlessly or without any destination, often in search of food or employment.

Wander from a direct course or at random.

“The child strayed from the path and her parents lost sight of her”

Lose clarity or turn aside especially from the main subject of attention or course of argument in writing, thinking, or speaking.

Not close together in time.

“a few stray crumbs”

(of an animal) having no home or having wandered away from home.

“a stray calf”

“a stray dog”

An animal that has strayed (especially a domestic animal).