Hope you have read Part 1: https://abn397.wordpress.com/2021/02/17/bangladesh-west-indies-tests-1/
Continuing with individual performances in these matches, starting with Bowling:
Most wickets (10 or more):

The first few are all current players. The most 5wi hauls are by Shakib, Miraz and Roach. No one has taken more than one 10wm.
Best innings analysis: (all instances of 6wi or more):

None of these instances are from the current series, although Miraz, Shakib and others played in it.
Best match analysis: (all instances of 8wm or more):

Miraz and Cornwall are among those who played in the current series. Cornwall’s 9-179 is the best for WI in Bangladesh, surpassing the 8-152 by Bishoo in 2011.
Bowling averages (Minimum 1500 balls, all instances):

Roach heads this short list. However Taijul has the best economy rate and Roach the best strike rate.
Now for Fielding:
Most dismissals (10 or more):

Mushfiqur has the most dismissals and stumpings, while Sammy has the most catches by a non-keeper.
Most innings dismissals (4 and more):

None from the current series. Note 4 catches by a non-keeper Sammy.
Most match dismissals (5 and more):

Again, none from the current series. Note 6 catches by non-keeper DM Bravo.
Highest dismissal rate (Minimum 15 innings fielded, all instances):

Mushfiqur has the highest dismissal rate as he is the only keeper here. The best by a non-keeper is by Mahmudullah.
Finally, All-round performances:
Overall (see criteria below):

Only two entries here, with Miraz coming up in recent series.
Match performances (50+ and 5wi in match):

Only 3 instances, all by Shakib. Further proof that he is the best all-rounder in matches between these teams.