privately
US /ˈpraɪ.vət.li/
UK /ˈpraɪ.vət.li/

1.
in a way that is not intended to be seen or heard by other people
:
•
They discussed the matter privately.
•
She told him privately that she was leaving.
2.
by a private individual or organization rather than by the government
:
•
The school is funded privately.
•
He works privately as a consultant.