means an agreement, irrespective of its form but not including an instalment agreement, in terms of which a person—
| (a) | advances money or grants credit to another, and |
| (b) | retains, or receives a pledge to any movable property or other thing of value as security for all amounts due under that agreement; |
[Paragraph (b) substituted by section 1(h) of Act No. 19 of 2014]