OTBI-Learning-Is there a way to report on who specifically took the action to Withdraw the learner?

Summary: OTBI - Learning Module - Is there a way to report on who specifically took the action to Withdraw the learner or who assigned the Learning item to the learner?

Content (please ensure you mask any confidential information):

For example, per Learning Assignment > Edit Assignment screenshot below, the Withdrawal Type is "Learning Specialist Withdraw Learner". However, we are curious to know who specifically took this action. 

Same thing for Assign As. OTBI column name for Assign As is "Enrolled By" under Assigner Information. This learning item is assigned as "Learning & Talent Development" or it could be "Human Resources" etc. for another assignment however, how to know who is the person who actually assigned this learning to the learner? Is there a column name for assignee name in OTBI or can I see assignee name online?