Complete fighter/obtain master first. Your almost done so why not just finish it? [or just by fighter pots to finish it quickly]
Now, its really up to you. If you like range and would like to continue range, rank up your dex by aiming for sniper title and finish some of the easy life skills [refine/weaving/sheep shearing/ PTJ lvls of handicrap, smithing, tailoring].
If you like fighter more, focus on obtaining more will. Get thunder and rank it if you have lots of ap to spare. But rank harvest/hoeing first. Here the list of +will skills :
http://wiki.mabinogiworld.com/view/Stats_and_Skills#Will