I don't quite understand what you're asking for, but as for first job pre-reqs..
http://tricksters.50webs.com/skills.html#Sense+Type
Skill - PreReq - Items needed
Drill Protection - None - None
Assassin Attack - None - Gravelx41
Inspiration - None - Blue Jewelx23
Large Pocket - None - Empty Treasure Chestx20
Marksman - None - None
Slow Motion - None - Shacklex14
Load Protection - Marksman Lv1 - None
Gun Shooting - Load Protection - Blue Featherx14
Armor Break - Assassin Attack Lv10 - Sea Maid's Scalex34
Movement Load - Marksman Lv1 - None
Lucky Seven - Armor Break Lv1 - Wind Lizard's Eggx9