You Do Need power plug adapter while traveling from Liberia to Abu Dhabi.

Here is Why You Need An Adapter

The outlet and plug type used in Abu Dhabi is G and in Liberia are A, B, C and F. This is how they look like.

Liberia

In Liberia, outlets of type A, B, C and F are in use.

Type A

Type B

Type C

Type F

Abu Dhabi

In Abu Dhabi, outlets of type G are in use.

Type G