This event will accept participants on a first-come, first-served basis.

I distributed materials to all participants.

He is a famous author and a person who is respected by many people.

I gladly received the gift from him.

We are planning a big event for the weekend.

This event is limited to the first 100 people who arrive.

This sale is limited to the first 100 customers.

I plan to participate in the meeting.

I will participate in the meeting tomorrow.

We are called by our names in order.