amateur

[1]	layman , non-professional , tiro/tyro , dabbler , dilettante , bungler , (Colloq) (US) bush-leaguer

adj.

[1]	lay , non-professional , untrained , unpaid , dilettante , amateurish , unprofessional , unskilled , inexpert , unskilful , clumsy , mediocre , inferior , crude , bungling , second-rate , (Colloq) (US) bush-league
[2]	recreational