outsider
//ˌaʊtˈsaɪdər//
Noun
outsiderSingular
outsidersPlural
1
a person who does not belong to a particular group, organization, or community
As an outsider, she found it difficult to understand the company culture.
2
a person who is not accepted by or who feels isolated from society or a social group
As a shy child, he always felt like an outsider at school.
3
a competitor, applicant, or candidate thought to have little chance of success
The team was considered an outsider, but they won the championship.