freshman

Adjective

• used of a person in the first year of an experience (especially in United States high school or college)
  • a freshman senator
    
  • freshman year in high school or college
    

Noun

• any new participant in some activity

• a first-year undergraduate

Related words

• Synonyms: 
  first-year , newcomer , fledgling , fledgeling , starter , neophyte , newbie , entrant , fresher