Hold an emerald or a crop they want
Trade with them to increase trust
Use a bell to gather nearby villagers
Place a bed near where you want them to go
Build a safe path with doors and lighting
Use minecarts or boats to move them
Lead them by placing workstations in the destination area
Keep zombies and hostile mobs away
Ring the bell during a raid to make them run to safety
Use commands if cheats are enabled
Cure a zombie villager and then guide them with beds and workstations