My lifegoal: Dreamjob on researching reptiles

My name is Elisa Didden and im 17 years old. my passion for reptiles has been there since im a little girl... id like to turn that passion into my dreamjob and lifegoal, reseach the reptiles in their wild habitat, I want to do volunteer weeks in Madagascar, ill need to pay 3500 for the trip,flight and booking for the stuff there, after I done I will start to get a job as reptile vet but first I want to gain experience with them in wildlife, but since finding a job here is hard and im not able to pay 3500 euros at once for the trip, with your help i will be able to go to there what I've always dreamed off. Could u help me to reach my goal?