How can i get a stain out of a leather jacket ?

I think your best bet would be to take it to a fur keeper; not sure where you live but I live in a small town and we even have a man that sells/repairs/stores fur for summer months. He also does tailoring for men's suits, etc. I know he also deals with leather, selling it, repairing it, and tailoring it. If there is someone like this in your area (basically anyone who stores fur in off-season), he should be able to give you the best suggestion on how to remove the stain and care for the jacket as well. A simple phone call would probably do the trick. Do NOT take it to a dry cleaner, unless you personally know a very reputable one...I have done this before with leather and it was ruined! Hope this helps.