Ребят скажите пожалуйста как будет правильно 1) He provides for the family. 2) He provides a family.

У глагола есть модели употребления.
Provide someone with smth значит одно, а provide for someone - другое. Да и внутри высказываний возможны варианты.
Provide a family - обеспечивать семью разве только в виде алиби
Provide the family with smth - обеспечить семью чем-л.
Provide for the family - обеспечивать семью в принципе
И не только.

provide for
1) If you provide for someone, you support them financially and make sure that they have the things that they need.
Elaine wouldn't let him provide for her...
Her father always ensured she was well provided for.

2) If you provide for something that might happen or that might need to be done, you make arrangements to deal with it.
James had provided for just such an emergency.
3) If a law or agreement provides for something, it makes it possible. [FORMAL]
The bill also provides for the automatic review by the appeal court of all death sentences.

Вопросы лучше адресовать словарю, а не "ребятам" на Ответах. Они знают не больше твоего.

She works to provide for her family's basic needs.

Она работает, чтобы обеспечить основные потребности семьи

he provides for his family .( provide for)

He supports the (his) family.

For.

по всем правилам 1 да и 2 более русское выражение