For a series of instructional guides to the game, see Guides.
The RuneScape guide is the first non-player character that players meet on Tutorial Island. Originally, a player was required to choose his or her character's looks when speaking to this NPC. This is instead done prior to travelling to Tutorial Island.
This article on an NPC has an associated dialogue page. Click here for a transcript of possible conversations with this NPC.
The RuneScape guide appears to be wearing a red beret.