Very few People would allow me to enter the match.
Well,cause i actually never could kill a person easily.And would always end up dying
Your primary aim should be to survive and not kill. Keep some points in mind (I am not a very good player, perhaps someone can give you better points):
-Stock up on Tangos and Potions start game.
-Take a ranged hero and keep your distance from the action. Don't be all "Leeroy Jenkins". If your health is low, retreat, eat a couple tangos/potions and return. Try not to retreat to the fountain too often.
-Pair up with a hero who is a good tank or a good stunner (Tank will gather all attention, allowing you to take potshots at the enemy. Stunners can stun the enemy allowing you to take them down together.)
-Do not go in alone, always have backup, either of creeps or a fellow teammates. If you go alone, you will become a easy meal for gankers.
-Hug towers if you do not have cover.
-Keep an eye on the map. Look to the map every 5-6 seconds and observe the positions of all units, especially enemies.
-Keep and eye out for teammates calling out "Miss". That means that the enemy hero from that lane is MIA and could be moving towards another lane (or towards you for a gank). So, be careful. In such a case, if you have no cover, hug a tower immediately.
-Do not die, if you die, your team will become weaker, hence becoming a decisive factor in you losing. That's why your teammates go mad when you die.
-Play defensively. Try to farm often (with cover, of course) and level up. Undertake something dangerous only when you are strong enough.
BTW, what hero you usually play with? and what's your inventory?