Malefactor and Yardbird

Malefactor noun - A person who commits moral wrongs.

Yardbird and malefactor are semantically related In some cases you can use "Yardbird" instead a noun "Malefactor".

Yardbird noun - A military recruit who is assigned menial tasks.

Malefactor and yardbird are semantically related in criminal topic. Sometimes you can use "Malefactor" instead a noun "Yardbird", if it concerns topics such as person who breaks the law, person responsible for wrongdoing.