Tavern Brawler
Player's Handbook
Increase your Strength or Constitution score by 1, to a maximum of 20.
You are proficient with improvised weapons and unarmed strikes.
Your unarmed strikes uses a d4 for damage.
When you hit a creature with an unarmed strike or an improvised weapon on your turn, you can use a bonus action to attempt to grapple the target.

Great Weapon Master
Source: Player's Handbook

You’ve learned to put the weight of a weapon to your advantage, letting its momentum empower your strikes. You gain the following benefits:

On your turn, when you score a critical hit with a melee weapon or reduce a creature to 0 hit points with one, you can make one melee weapon attack as a bonus action.
Before you make a melee attack with a heavy weapon that you are proficient with, you can choose to take a -5 penalty to the attack roll. If the attack hits, you add +10 to the attack’s damage.

Size. 6,7
Darkvision. Thanks to your orc blood, you have superior vision in dark and dim conditions. You can see in dim light within 60 feet of you as if it were bright light, and in darkness as if it were dim light. You can't discern color in darkness, only shades of gray.
Menacing. You gain proficiency in the Intimidation skill.
Relentless Endurance. When you are reduced to 0 hit points but not killed outright, you can drop to 1 hit point instead. You can't use this feature again until you finish a long rest.
Savage Attacks. When you score a critical hit with a melee weapon attack, you can roll one of the weapon's damage dice one additional time and add it to the extra damage of the critical hit.

Explorer's Pack
Backpack, bedroll, mess kit, tinderbox, torch (10), rations (10), waterskin, hempen rope.