Become an Expert Excrement Expeditor

Become an Expert Excrement Expeditor is an unmarked quest in Fallout 2.

Walkthrough
You can acomplish this subquest by talking with Bill. Bill is the caravan master of Broken Hills in 2241. You can find Bill in Broken Hills downtown area, south west building [there are bunch of guards with leather jackets, you can steal a lot of stimpacks from them]. If you shovel brahmin shit for him five days in a row, you'll be paid a tidy sum of $500 and get a perk which increases your Speech.