The sociological term for any physical or social attribute or sign that devalues a person's social identity and disqualifies that person from full social acceptance is .

Stigma                                

Explanation:

Stigma: The term "stigma" has been widely studied in the field of psychology and sociology, and is defined as one of the signs of discredit or disgrace which is responsible for setting an individual apart from that of another person.

In other words, social stigma refers to the discrimination against or disapproval of an individual based on different social characteristics that tend to differentiate them from the other members of a specific society. It is generally related to class, race, sex, gender, religion, etc.

In the question above, the given statement represents the "stigma".