Both Uses of

vagrant
in
The Odyssey, by Homer (translated by: Butcher & Lang)

Then the swineherd, a master of men, answered him: 'Old man, no wanderer who may come hither and bring tidings of him can win the ear of his wife and his dear son; but lightly do vagrants lie when they need entertainment, and care not to tell truth.†
Book 14 *

vagrants = people who are poor and have no regular home or job

Have we not vagrants enough besides, plaguy beggars, kill-joys of the feast?†
Book 17

Definitions:

(1) (vagrant)
someone who is poor and has no regular home or job
(2) (meaning too rare to warrant focus)
meaning too rare to warrant focus:

Less commonly, and especially long ago, you may see vagrant used to emphasize that a poor person wanders from place to place. Even more rarely, it can describe an animal as being in a place it usually is not, or to describe anything that varies or seems random such as the seeming haphazard direction in which a certain weed spreads, or the fleeting quality of something smelled for only an instant.