Secretary can be used for Help. Help requires Volunteer. Volunteer is a type of Person. 
Suspend is a synonym of Freeze. Freeze is a synonym of Block. Block is a type of Collection. Mail is a type of Collection. 
Secretary --UsedFor--> Help --HasPrerequisite--> Volunteer --IsA--> Person 
Suspend <--Synonym--> Freeze <--Synonym--> Block --IsA--> Collection <--IsA-- Mail 