sufferer

transitive verb

1. to undergo (something painful or unpleasant, as injury, grief, a loss, etc.); be afflicted with
2. to undergo or experience (any process, esp. change)
3. to allow; permit; tolerate
4. to bear up under; endure: now chiefly in negative constructions: they could not suffer opposition

intransitive verb

1. to experience pain, harm, loss, a penalty, etc.
2. to be at a disadvantage: my grades suffer by comparison with yours
3. Archaic to tolerate or endure evil, injury, etc.