Any new participant in some activity
English: newcomer, fledgling, fledgeling, starter, neophyte, freshman, newbie, entrant
fledgelingEnglish
fledgeling, fledgling, entrant, fledgeling(a), fledgling(a)
Noun
Young bird that has just fledged or become capable of flying
English: fledgling, fledgeling
Adjective
(of a young bird) having acquired its flight feathers
English: fledgling(a), fledgeling(a)