How can i link all of my profession's in horde/alliance alts , on 1 main character to advertise it?

[Cattyx-silvermoon]

ladies! gents! hello
i searched trough the internet and also asked AI, but i failed! idk how people do it and most of the players wont even help due to competition lol!
let me clarify more!
i want to do this :
i have 4 profession’s on 2 character , i want to link those profession’s on my main character too! so people could see all of my 4 profession!
how do i do that?
ty