I felt like writing this to inform players both new and old how XP works exactly due to some not understanding the XP counters and wondering what they might be doing wrong, along with their 3 mission reward titles
Hunter Slay is about player damage, XP that appears as a reddish orange when enemies are killed or offensive abilities (mines, grenades, air strikes) are used they give you a small xp bonus just for using them, neutralizing enemy deployable also count.
Objective Monkey is all about the main objectives of the game, repairing, destroying, disarming, arming, guarding, delivering, and returning data cores is the name of the game, being an engineer covers most of these quicker than rest, anything the bosses yell at you over, being a defender gives you a slow bonus for every couple of minutes you play.
Water is all about the teamwork and support you give each other and appears as blue, Are you a Fire-Support? Drop ammo or point your friends to the nearest ammo station you’ve deployed. Medic? Health kids and revives, Recon? toss out your detection tool. Staying near your teammates gives you a slow bonus to your support xp.