Canon 5D III or IV Wanted by Non-Profit (Los Angeles)

Hello, We are looking for a Canon 5D IV if possible or a 5D III for our work.
Hopefully not a high shutter count so it's life span will be short.
We would be interested in professional type lens for it too.
We are also looking for high resolution pocket cameras like a Canon, Nikon or Fuji.
If you have one, please tell us what you want for it or if you would consider donating it.
The camera would be used for education purposes and for our sustainability work for California.
Thank you so much!