noun Date: 1827 a person sentenced to imprisonment for life, a person who makes a career of one of the armed forces, a person who has made a lifelong commitment (as to a way of life)
LIFER
Meaning of LIFER in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012