vulnerable
vul-ner-a-ble
adjective
Easily hurt, attacked, or influenced, physically or emotionally.
"Elderly people are often vulnerable to scams."
Thesaurus
Synonyms: assailable, open, under fire, endangered, defenseless, penetrable, under attack, defenceless, insecure, undefendable, undefended, unguarded
Antonyms: invulnerable