If it's to do with Dungeoneering, Find a door with the matching shape and colour.
The friend is any person that has completed or is working on shield of arrav, and has the weapon store key, that requires being part of the Phoenix gang.
Use a crystal shield or a dragon sq shield, both really good, or you could try a rune defender
Antidragon shield
saradomin shield
the second floor of runescape has a npc walking around with it talk to him he will hand you one.
Their are shield shops all over Runescape. You should be more specific.In North Falador near the fountain.
An elemental shield is 845 gp.
no
grand exchange
The best shield for a non member in stat wise is the Rune Kite shield however if you want rarity the You can go for one with a trim in the colour of the runescape gods.
You have to do the quest "Shield of Arav" for help on the quest go to Tip.it it's a website that i use most for runescape quest guides, skill calculators, ect.
If it is the shield that your gang had you can simply go back and get it. But if it was the other gangs shield you need to get someone to get you it.