mendicant
Concise Oxford English Dictionary © 2008 Oxford University Press:
mendicant /ˈmɛndɪk(ə)nt/
▶adjective given to begging.
■ of or denoting a religious order originally dependent on alms.
▶noun a beggar.■ a member of a mendicant order.
– derivatives
mendicancy noun,
mendicity noun.
mendicancy noun,
mendicity noun.
– origin ME: from L. mendicant-, mendicare ‘beg’, from mendicus ‘beggar’, from mendum ‘fault’.
'mendicant' also found in these Oxford entries:

