It generally helps if you (a) categorize your post, which I’ve done; and (b) ask for help rather than post something inflammatory and accusatory. (Btw, I guessed you were on Mobile/PC, so you’re in that section.)
It seems like you’re a new player. Have you forgotten to change your difficulty settings back to “Normal” or “Easy”? That’s often a problem – it inflates the stats of the enemies making them harder to defeat.
If you’re really early game, you should also stick to the Kingdom Quests and not do PvP.
The only other thought is that you’re bad at making teams and/or haven’t bother to level up your troops. Spend some Souls and level them up. Even to level 5 early on makes a huge difference. If you need team ideas, try these threads:
Wait to be a jerk until you know what you’re talking about.