Stop in for a cup of coffee

IMG_20200619_093740.jpg IMG_20200619_093743.jpg IMG_20200619_094114.jpg I have a 2000 Toyota Tacoma here. Guys told me he had a hydraulic leak in the back. So I was thinking a rusted brake line...Right ?????
Uhhh No. Look at this Differential. The Frame is also shot... Any Ideas how to contain this leak? Open to suggestions, other than changing the Diff out......