While healthy and healing another Survivor without using a Med-Kit, press the Active Ability button to activate For the People:

Trades 1 Health State with the other Survivor.
Heals a Survivor from the Dying State to the Injured State.
Heals a Survivor from the Injured State to Healthy.
You become injured and suffer from the Broken Status Effect for the next 80/70/60 seconds.
You become the Killers Obsession, if not already.
Lowers the odds of becoming the Killers initial Obsession by -100 percent.
The Killer can only be obsessed with Survivor at a time.

Suppresses both the Loud Noise Notification and the sound effects triggered by rushing to vault Windows, Pallets, or rushing to enter or exit Lockers.
Quick & Quiet has a cool-down of 30/25/20 seconds.

For Each Survivor still in the Trial, Up the Ante gains 1 Token.

Each Token applies a stack-able 1/2/3 percent bonus to the Luck of all Survivors, up to a maximum of 3/6/9 percent.

Unlocks potential in your Aura-reading ability.
Once all Generators are completed, Wake Up! activates:

The Auras of the Exit Gate Switches are revealed to you within 128 metres.
When opening an Exit Gate, your Aura is revealed to all other Survivors within 128 metres.
You open Exit Gates 15/20/25 percent faster.

Start the Trial with 3 Tokens:

When a Chest has already been opened, consume 1 Token to rummage through it for an Item.
Rummage through Chests 40/60/80 percent faster.
Rummaging is only available once per Chest.

Once the Exit Gates are powered, No One Left Behind activates:

Increases your Unhooking and Healing speed by 30/40/50 percent.
Grants 50/75/100 percent bonus Bloodpoints for actions in the Altruism Category.
Grants the unhooked Survivor a 7 percent Haste Status Effect for 10 seconds.
The Auras of all other Survivors are revealed to you.