Wikipedia:User access levels/User access level changes

Key to Rights
Yes No
checkY
Key to Project
Local Global
   
Event coord. Administrator Bureaucrat Steward
Confirmed give checkY checkY checkY checkY
take ☒N
Extended confirmed checkY checkY
New page reviewer checkY checkY
Rollbacker checkY checkY
Autopatrolled checkY checkY
Edit Filter helper,
Edit Filter manager
checkY checkY
Event coordinator checkY checkY
Page mover,
File mover
checkY checkY
Template editor checkY checkY
Mass message sender checkY checkY
IP Block Exempt give checkY ☒N checkY
take checkY
Pending changes reviewer checkY checkY checkY
Account Creator checkY checkY checkY
Bot,
Copyright violation bot
checkY checkY
Administrator,
Interface Administrator
checkY checkY1
Bureaucrat give checkY checkY
take ☒N
Checkuser, Oversight checkY
Import checkY
Event coord. Administrator Bureaucrat Steward

^1 Because bureaucrats were granted the ability to do this, stewards would refer most ordinary requests for removal of the sysop permission to them, but retain the right to remove the sysop permission when appropriate (such as emergencies or requests from the Arbitration Committee).