i Register
In some senses, left-footer is marked as derogatory, UK, colloquial. Watch for register when choosing this word.
noun
Someone who is left-footed.
A player who predominantly kicks with the left foot.
A goal kicked with the left foot.
A Roman Catholic, especially one of Irish descent.
Jones shook his head knowingly. "I forgot you're a left-footer. Catholic by name, catholic by nature."