Tactitian

Increase your Strength, Constitution, or Charisma score by 1, to a maximum of 20.

You gain a bonus to your initiative equal to your proficiency bonus. additionally, when you roll initiative, you can swap the initiative of two willing creatures. 

You have mastered the art of battlefield command. as a bonus action, you can give one of the following orders to a friendly creature that can hear you, within 120ft, each order provides a unique reaction to that creature for the next minute. 

• Take Cover: As a Reaction, the creature can impose disadvantage on an attack made against them, or gain advantage on a dexterity, strength or constitution saving throw. 
• Advance/Retreat: A creature may use its Reaction or move up to half their speed, without provoking attacks of opportunity 
• Bring it Down: when a creature misses with an attack, they may use their reaction to reroll the attack. 
• Brace!: before receiving damage, a creature can use its reaction to gain a number of tempory hit points equal to your proficiency bonus. 

You can issue a number of orders equal to your proficiency bonus, and you regain all expended uses when you finish a short rest.