Put clean gauzes or handkerchiefs over the wound and pressure it with your hand.
If he/she is bleeding from a big blood vessel and you can’t pressure enough even with all your hands’ strength, put your weight to your hands and go on pressuring.
Everyone can do it without any risk, so we recommend this.
In this time, pressure the point near the heart, called PRESSURE POINTS.
But it needs anatomical knowledge and it’s not for general.