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Guild Official Leviathan:

Level 10
Letter to Her
Teleport to Horaizen (Gaia Town) and talk to Trader Elmin
Rewards: 931 Exp + 250 JP + 500 rappelz rupees Reward: [ 30x Rank 1 Force Chip | 30x Rank 1 Soul Chip ]

Level 21
Trouble #1
Kill 12 Bone Guard (Kahthan West Field)
Kill 11 Bone Figher (Kahthan West Field)
Kill 10 Bone Warrior (Kahthan West Field)
Rewards: 6401 Exp + 870 JP + 1500 Rupees
Reward: [ 20x Rank 2 Force Chip | 20x Rank 2 Soul Chip ]

Level 21
Trouble #2 (Need to complete "Trouble #1")
Kill 11 Black Hawk Obluse (Kahthan North-East Field)
Kill 12 Black Hawk Guard (Kahthan North-East Field)
Kill 13 Black Hawk Ranger (Kahthan North-East Field)
Rewards: 7345 Exp + 1054 JP + 1700 Rupees
Reward: [ 20x Rank 2 Force Chip | 20x Rank 2 Soul Chip ] + [ Sta500 ]

Job Supporter Berze:

Level 17
Prisoner #1
Kill 13 Dammed Soul Prisoner (Kahthan West Field)
Kill 10 Cursed Soul Prisoner (Kahthan West Field)
Kill 8 Ruined Soul Prisoner (Kahthan West Field)
Rewards: 3678 Exp + 550 JP + 1100 Rupees
Reward: [ 20x Rank 2 Force Chip | 20x Rank 2 Soul Chip ]

Level 17(rappelz rupees)
Prisoner #2 (Need to complete "Prisoner #1")
Kill 16 Cursed Prisoner (Kahthan North-East Field)
Kill 16 Tortured Prisoner (Kahthan North-East Field)
Rewards: 6536 Exp + 960 JP + 1600 Rupees + [ 2x Spell Potion ]
Reward: [ 20x Rank 2 Force Chip | 20x Rank 2 Soul Chip ]