interpose

/IH0 N T ER0 P OW1 Z/
verb
  1. 1

    To insert something (or oneself) between other things.

    โ€œto interpose a screen between the eye and the lightโ€

  2. 2

    To interrupt a conversation by introducing a different subject or making a comment.

  3. 3

    To offer (one's help or services).

  4. 4

    To be inserted between parts or things; to come between.

  5. 5

    To intervene in a dispute, or in a conversation.

Source: https://en.wiktionary.org/wiki/interpose