old hand

English Thesaurus

1. an experienced person who has been through many battles; someone who has given long service (noun.person)

hypernym	:	expert,
definition	:	a person with special knowledge or ability who performs skillfully (noun.person)

derivation	:	seasoned, veteran,
definition	:	rendered competent through trial and experience (adj.all)

derivation	:	seasoned, veteran,
definition	:	rendered competent through trial and experience (adj.all)