my life has almost felt like a empty hole

for months on end now ive been made of by people i thought were my friends all they do is just make fun of me how bad i am at the sport i play how im a loser how im a nad at everything these people tore me down and have made me think im almost worthless at some point i wake up every night and dont know if im valuable to anyone theyve made me almost lose all confidence i liked this girl we were talking for a little and they told her and she didnt know how to feel it stripped down almost every last confidence ive had i started to fall back into lusting and ive let my self go my acne came back im shaving less i dont feel any sort of motivation to do anything anymore its demorolizing and i dont know who to speak to my mom works almost 12 hours a day at work im not close to my dad i feel like i have no one in this world anymore really all my friends tell me how bad i am at everything i have no one to truley lean back on ive started thinking about ways to harm myself alot more recently than others i need just help or any things to make me feel better