1. (noun) any new participant in some activity

• entrant
• fledgeling
• fledgling
• freshman
• newbie
• newcomer
• starter

2. (noun) a new convert being taught the principles of Christianity by a catechist

• catechumen

1. (noun) a plant that is found in an area where it had not been recorded previously

• flora
• plant
• plant life

2. (noun) any new participant in some activity

• beginner
• initiate
• novice
• tiro
• tyro

3. (noun) a new convert being taught the principles of Christianity by a catechist

• educatee
• pupil
• student

1. (noun) any new participant in some activity

• enlistee
• recruit

1. (noun) any new participant in some activity

• begin
• commence
• get
• get down
• set about
• set out
• start
• start out
• callow
• fledgling
• unfledged
• initiate
• originate
• start