Im not that good yet.Can anyone give me tips on how to go about moving around the map to get kills.Also why can ppl see me when im cloaked from across the map.One guy sniped me and i was cloaked on the other side of the map and i was behind foliage on the tree..... how is this possible ? And ppl keep shooting me when im cloaked ?

Look into all the tool you possess. Radar, weapons, modules - their understanding is vital to winning.

Practice with players of your rank, or on non-competitive servers.

There is a large amount of see someone while in cloak:
- Nanovizor
- Super radar
- Tagging
- Visually noticing the cloak color
- Proximity alarm