a lost soul
1. A sinner, especially one who has been condemned to hell (as opposed to being granted eternal life in heaven). I worry that my granddaughter is a lost soul, since she's stopped going to church.
2. One who is sad, lonely, and/or aimless. Ever since his wife died, my brother just drifts through the town like a lost soul.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
a lost soul1 a soul that is damned. 2 a person who seems unable to cope with everyday life.
Farlex Partner Idioms Dictionary © Farlex 2017