infirmate
/ɪnˈfɜːrmət/Definitions
1. verb
to declare or record someone as being unable to work due to illness or injury, especially in order to receive state benefits
“The doctor infirmated him, stating that he was unable to work due to his condition.”
2. noun
a person declared or recorded as being unable to work due to illness or injury
“Many infirmates relied on state benefits to support themselves while they recovered.”