unworthy
adjective /ʌnˈwɜːði/
  /ʌnˈwɜːrði/
(formal)- unworthy (of something) not having the necessary qualities to deserve something, especially respect- He considered himself unworthy of the honour they had bestowed on him.
 
- unworthy (of somebody) not acceptable from somebody, especially somebody who has an important job or high social position synonym unbefitting- Such opinions are unworthy of educated people.