[ChrisPebble]

A lobbyist giving money, goods, or services directly to a representative for their personal use would still be corruption. The distinction usually is that you offering to spend money on their behalf for a campaign but if they directly benefit from money or a gift that sort of behavior is usually prosecuted.

[dragonwriter]

> The distinction usually is that you offering to spend money on their behalf for a campaign

Which is also usually corruption and a violation of campaign finance laws which prohibit coordination between unlimited "independent" expenditures and candidates or campaign committees controlled by them.