How to disable 'Edit user name', 'Synchronze with Identity Store' under actions in user account page

Summary:

I want to disable 'edit user name', 'synchronze with Identity Store' options under actions in manage user account page.

Navigations : home > my client group > show more > employment > manage user account > search person > actions > Edit user name

Navigations : home > my client group > show more > employment > manage user account > search person > actions > Synchronze with Identity Store

Kindly guide how to disable this options.

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