carpetbag

Short definition from Wiktionary

Noun

1. 1
   A traveling bag made from scraps of carpet and widely used in the United States (and elsewhere) in the 19ᵗʰ century.

Verb

1. 1
   To come to a place or organisation with which one has no previous connection with the sole or primary aim of personal gain, especially political or financial gain.

Adjective

1. 1
   Having the characteristics of carpetbaggers.