Can a Raktorak join a Haris containing Kornak? Suryats say "special fireteam: Haris: Kornak and up to two Suryats", then the Raktorak says "can join a fireteam: Haris of Suryats". Kind of confusing wording for me =/
Yes, that's a legal Haris. See http://infinitythewiki.com/en/List_of_Fireteams#Morat_Aggression_Force for a more comprehensive listing.
And you don't need to take the Suryat Haris profile either. Below is my favorite combination but I often take the Vulkan Raktorak. KORNAK Lieutenant Mk12, Light Flamethrower / Pistol, DA CCW. (0 | 41) RAKTORAK Combi Rifle + Heavy Flamethrower / Pistol, Knife. (0 | 23) SURYAT Heavy Rocket Launcher, Light Shotgun / Pistol, CCW. (2 | 39)
That would consume the Core fireteam slot. A Haris must contain a model with the Haris special skill.