Dilettant

Other ways to say it

• Amateuramateur
• Laielayman, layperson, laic, nonclergyman; amateur, nonprofessional, layman, layperson
• Nichtskönneran unskilled person, bungler
• Pfuscherbungler, botcher
• Stümperbungler, botcher, slacker (someone who habitually performs badly, due to lack of skill or care)