der Brite
Briton
A male resident or citizen of Great Britain.
Der neue Englischlehrer ist Brite und kommt aus Manchester.
The new English teacher is a Briton and comes from Manchester.

Briton
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Briton
A male resident or citizen of Great Britain.
Der neue Englischlehrer ist Brite und kommt aus Manchester.
The new English teacher is a Briton and comes from Manchester.

'Der Brite' (the Briton) is an N-declension noun. This means it takes the ending '-n' in all cases except the nominative singular. This is a common source of mistakes.
Ich habe gestern einen Briten kennengelernt.
I met a Briton yesterday.
The word belongs to a word family: the country is called 'Großbritannien' (Great Britain), the adjective is 'britisch' (British), and the female person is 'die Britin' (the British woman/Briton).
Die britische Königsfamilie ist weltbekannt.
The British royal family is world-famous.
The term 'Brite' (Briton) refers to a person from Great Britain, that is, from England, Scotland, or Wales. In everyday usage, it is often also used for people from the entire United Kingdom, including Northern Ireland.
Obwohl er in Belfast geboren wurde, bezeichnen ihn viele als Briten.
Although he was born in Belfast, many people refer to him as a Briton.
Englishman / adjustable wrench
'der Brite' and 'der Engländer' can both refer to a male person from the United Kingdom, but they are not equally precise. 'der Brite' refers to Great Britain in general, so it can also mean someone from Scotland or Wales, for example. 'der Engländer' refers more specifically to England. Learners can easily confuse the words because England is part of Great Britain and people often speak imprecisely in everyday language. If you do not know the person's exact origin, 'Brite' is often safer. If the person really comes from England, 'Engländer' fits.

Im Sprachkurs sitzt ein Brite aus Schottland neben mir.
In the language course, a Briton from Scotland is sitting next to me.
Herr Weber arbeitet mit einem Engländer aus Manchester zusammen.
Mr. Weber works with an Englishman from Manchester.