be a hindrance or obstacle to
put at a disadvantage
hinder or prevent the progress or accomplishment of
located at or near the back of an animal
improve the condition of
the work of providing treatment for or attending to someone or something
give help or assistance; be of service
a person or thing that is a resource that helps make something easier or possible to do
the activity of contributing to the fulfillment of a need or furtherance of an effort or purpose
gift of money or other material help to support a person or cause
