Someone (mangi-) keeps busy doing something (i-), especially in someone's absence.
must be reduplicated
Imo mangibalabalay sya ranan namen.
You keep doing it while we arrive.
Ibalabalay mo nya, ta ari ngayan ko.
Keep busy doing this, because I have to go someplace.
babalay
Someone (may-) delays, dillydallies, procrastinates, wastes time to postpone something (pay-) he should be doing.
balabalay
Someone or something (mang-) delays someone (-en) or something (i-).