Scout (XP to lvl 3)

Stab things and run good, go hide in the dirt.

Master of Swiftness

At level 3, You master the ability of alertness and responding quickly. You have on all initiative checks, and a +10 to your movement speed.

Survival

At level 3, you hone your abilities in nature and the wild world. You gain proficiency in both the nature and survival skills. Additionally you can add double your proficiency bonus to checks made with those skills.

You also gain a bonus to stealth. Any stealth checks you make whilst you are covered by natural effects (E.g. lightly obscured by foliage or weather conditions, hiding amongst) is made with advantage.

Teacher of tactics

At level 9, you start to help teach your team and party how to move stealthier as a group. You have advantage on party stealth checks, and can move stealthily while moving at a normal pace (300ft/minute).

Sudden and Subtle Strikes

At 13th level, you can strike with swift speed. When you take the attack action against a creature you can make an another attack as a bonus action. This attack benefits from sneak attack, unless it is against the same target as your first attack.

Expert Naturalist

You also become a master at using cover to your advantage. If you are hiding behind something that would give you 1/2 cover it counts as 3/4 cover for you, and if you are behind something that would give you 3/4 cover it counts as full cover for you.

You also gain the ability to use natural poisons to exhaust your enemies when you severely wound them. When you use sneak attack against a creature you can choose to make them roll a constitution saving throw, with a D.C. equal to 8 + your proficiency bonus + your wisdom modifier. On failed save they gain one level of exhaustion. This ability can only be used against a creature once per long rest.