assist be present
If you assist someone, you help them. Assist is a formal word.
We may be able to assist with the tuition fees.
They are raising money to assist hurricane victims.
2. 'be present'
If you want to say that someone is there when something happens, you say that someone is present.
He had been present at the dance.
There is no need for me to be present.
Collins COBUILD English Usage © HarperCollins Publishers 1992, 2004, 2011, 2012