Britisher
/ˈbrɪtɪʃər/
Definition 1 of 1
Pro Tip 1/3National Identity
Use 'britisher' to emphasize someone's connection to Britain as part of their identity. 
Despite living abroad, Emma remains a proud Britisher at heart.
Pro Tip 2/3Cultural Nuance
'britisher' often implies traditional British characteristics or stereotypes. 
He's a Britisher who loves tea, cricket, and discussing the weather.
Pro Tip 3/3Slightly Outdated
Some may view 'britisher' as an old-fashioned term; 'British' or 'Briton' are more common now. 
My grandfather considers himself a Britisher, a term he's used since the 1940s.