As nouns the difference between begger and mendicant
is that begger
is while mendicant
is a pauper who lives by begging.
As an adjective mendicant is
depending on alms for a living.
Depending on alms for a living.
Of or pertaining to a beggar.
Of or pertaining to a member of a religious order forbidden to own property, and who must beg for a living.
A pauper who lives by begging.
A religious friar, forbidden to own personal property, who begs for a living.