service
US /ˈsɝː.vɪs/
UK /ˈsɝː.vɪs/

1.
the action of helping or doing work for someone
:
•
The hotel provides excellent room service.
•
He dedicated his life to public service.
2.
1.
perform duties or work for (someone or an organization)
:
•
He has been serving the company for over 20 years.
•
The soldier served his country with honor.