Any pro tips on how to not die as scout?

Im a 200+ hour gunner main and im used to heavy DPS, but i keep dying as scout (mostly cuz of grappling hook)

any tips please? i havent played scout until today

Im a 200+ hour gunner main and im used to heavy DPS, but i keep dying as scout (mostly cuz of grappling hook)

any tips please? i havent played scout until today