(someone's) right-hand man/woman

someone who helps you with your work and who you depend upon.

How will the Director cope without his right-hand man, who resigned yesterday due to ill health?

• have pick of
• have pick of something
• have pins and needles
• have pity on
• have pity on someone
• have pride of place
• have rolling in the aisles
• have second thoughts
• have seen better days
• have seen more something than has had hot dinners
• have seen more something than someone has had hot dinners
• have seen more than has had hot dinners
• have seen more than someone has had hot dinners
• have seen the last of
• have seen the last of someone
• have seen the last of something
• have several strings to bow
• have several strings to your bow
• have share of
• have share of something
• have shit for brains
• have sights set on
• have sights set on doing something
• have sights set on something
• have someone by the balls