I've volunteered as a fundraiser in the past and I donated money to the Haiti relief effort.

在过去我已经志愿作为一个资金筹集人，向海地救济会捐赠进钱。

youdao

The genre-blending MerleFest, held each year since 1988 as a fundraiser for Wilkes Community College, is a lasting tribute.

CNN: Watson leaves notes strung through music history

Saujani is an experienced organizer, having worked as a fundraiser for Al Gore, John Kerry, Hillary Clinton and Barack Obama.

FORBES: Heads Up

They include how his role as a fundraiser related to his abuse.

BBC: Jimmy Savile