Converse of object

• observe: To observe the Earthlings in their natural environment and gently poke fun at them.

Adjective modifier

• fellow: If you want to keep your fellow Earthlings interested into the next century, I really do think you need to reform your libraries.

• most: The ability whatever the will of the next Pope to make Catholic doctrine work for most earthlings looks very limited.

• young: It's often easier for young earthlings to make their own pictures up before they try to see the shapes and constellations of the traditions.