The Bard:
Req: BAB +8
Traps
Disable Device 8 ranks
Search 8 ranks
Move Silently 8 ranks
BAB: As druid
Saves: As Druid
Spellcasting: Upon entering the bard prestige class, the bard begins casting
spells as a first level druid, and advances his spellcasting as a
druid each level.
Bardic abilities gained as bard.
This gets you into the class as a 5th level fighter/5th level rogue. Reduce the requirements if you want him to get in earlier.