"Unhand me!" he cries in a whiny voice.
Round 1:
Gerbo,
Iarno,
Kerish, Karma, Belanor (in any order).
Investigation on door to keep it shut - (1d20+6)
(16) + 6 = 22
Sleight of hand (to jam/ lock the door, if needed) - (1d20+6)
(13) + 6 = 19
Break the Grapple (DEX vx STR) - (1d20+2, 1d20+2)
1d20+2 : (4) + 2 = 6
1d20+2 : (18) + 2 = 20
Perception check on desk - (1d20+2)
(11) + 2 = 13
Re-Grapple athletics check (readied action) - (1d20+4)
(2) + 4 = 6
Sleight of Hand - (1d20+6)
(19) + 6 = 25
Perception (to see what Gerbo is planning) - (1d20+2)
(19) + 2 = 21
Dexterity ST w/Disadvantage - (1d20+2, 1d20+2)
1d20+2 : (5) + 2 = 7
1d20+2 : (16) + 2 = 18
Gerbo Dexterity (to shove the clothes) - (1d20+4)
(18) + 4 = 22
Perception - (1d20+2)
(14) + 2 = 16
Stealth - (1d20+8)
(3) + 8 = 11
Perception - (1d20+2)
(13) + 2 = 15