helper T lymphocyte or helper T cell noun (immunology)

A thymus-derived lymphocyte which co-operates with B lymphocytes to enable them to produce an antibody when stimulated by an antigen

helping hand noun

1. Assistance
2. A long-handled device used for reaching and gripping objects that one cannot reach by hand

helpˈline noun

An often free telephone line by means of which people with a particular problem may contact advisers who will help them deal with it

helpˈmate noun

(a modification of helpˈmeet, itself formed from the phrase in the Bible (Genesis 2.18), ‘an help meet for him’) a helper, specif a wife

cannot help (or be helped)

Cannot avoid (or be avoided)

cannot help oneself

Cannot refrain from or resist doing something

help off with

To aid in taking off, disposing or getting rid of

help oneself (to)

To take for oneself without waiting for offer or authority

help on with

To help to put on

help out

1. To eke out
2. To supplement
3. To assist

more than one can help

(illogically but idiomatically) more than is necessary

so help me (God)

1. A form of solemn oath
2. On my word