You channel your skills into raising hell for the causes you believe in.  Most rogues in this subclass are young, aspiring leaders who are not classically trained or educated, unlike the leaders who can often be found on top.  Perseverance, commitment, and a ton of noise have helped you get where you are, and will continue to help you as you continue to grow your cause.  Stealth, cleverness, and an ability to read a situation help the fight too.

Raised Voice

Starting at 3rd level, you have proficiency in two Charisma (Persuasion and Performance) checks, and become more likely to succeed when you make use of this skill.

Through the Crowd

When you traverse a crowded group of beings in your way, if they would normally be considered difficult terrain, you may still move at normal speed, unimpeded.

Rally Together

Starting at 9th level, if you are not engaged with an enemy (you have not attacked anyone on your last turn), you can use your reaction to incite an ally to Uncanny Dodge, halving the damage they take from a single attack they take from an enemy they can see, provided you can see your ally and they can hear you.  This uses your reaction, not theirs.

Unwavering Belief

At 9th level, your unwavering belief in your cause makes it harder for opponents to attack your psyche.  You gain resistance to Psychic and Necrotic damage.

Defense from Risk

At 13th level, you have learned how to defend yourself from all types of risks, since that is a hazard of the role you play in life.  You gain proficiency with all forms of weaponry as a means of defense against those who would do you harm.

Making the Most of Your Time

When you hit 17th level, you have become skilled in pushing forward your cause in any amount of time.  As long as you are not surprised, in the first round of combat, you and an ally can take a second action and bonus action.